The credit valuation adjustment (CVA) of OTC derivatives is an important part of the Basel III credit risk capital requirements and current accounting rules. Its calculation is not an easy task - not only it is necessary to model the future value of the derivative, but also the probability of...

In this contribution we study calibration methods of interest rate models. First, we assume that model parameters are constant and can be estimated by the maximum likelihood estimation or yield curve fitting methods. Next, we suppose that model parameters are random variables with their prior...